Differences between UNIQUE and DISTINCT in select statements
Answer Posted / vidya
unique allows null value but distinct does not consider
null value
| Is This Answer Correct ? | 2 Yes | 44 No |
Post New Answer View All Answers
What is difference between hql and native sql?
What is AUTH_ID and AUTH_USER in pl/sql ?
what is auto increment? : Sql dba
What are the various restrictions imposed on view in terms of dml?
What is the process of copying data from table a to table b?
How can a function retun more than one value in oracle with proper example?
What is sql in oracle?
What are the benefits of pl/sql packages?
What is a native sql query?
Does sql between include endpoints?
What is sql engine in oracle?
Is pl sql different from sql?
What is exit statement?
Does sap use sql?
How would you reference column values before and after you have inserted and deleted triggers?